February 21, 2017

Homework Help: Math

Posted by Hope on Monday, January 3, 2011 at 9:18am.

okay so i feel like a dummie for not knowing this but i need the answer FAST!

Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5?

1) commutative property of addition
2) distributive property
3) additive identity
4) additive inverse

Please help me

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